| Place Name | Collinsville Township |
| Place Type | Township |
| County | Madison County |
| Area Code(s) | 618 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 35,878 |
| Majority Ethnicity | White 81.88% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Illinois 13thIllinois 15th |
| State House Districts | 108,112 |
| State Senate Districts | 54,56 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 81.88% |
| African American | 11.56% |
| Hispanic | 0.06% |
| Asian | 1.27% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.23% |